#include <sys/types.h>
#include <sys/wait.h>

#include "ourhdr.h"

static void sig_int(int);

int
main(void)
{
	char buf[MAXLINE];
	pid_t pid;
	int status;

	if (signal(SIGINT, sig_int) == SIG_ERR)
		err_sys("signal error");

	printf("%% ");
	
	while (fgets(buf, MAXLINE, stdin) != NULL) {
		buf[strlen(buf) - 1] = 0;

		if ( (pid = fork()) < 0)
			err_sys("fork error");

		else if (pid == 0) {
			execlp(buf, buf, (char *)0);
			err_ret("couldn't execute: %s", buf);
			exit(127);
		}

		if ((pid = waitpid(pid, &status, 0)) < 0) {
			err_sys("waitpid error");
		}

		printf("%% ");
	}

	exit(0);
}

void 
sig_int(int signo)
{
	printf("interrupt\n%% ");
}
